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FR774394A Expired / Lapsed FR ⏱️ 0.0 years remaining

Cathode ray tube

Assignee: Loewe Opta GmbH
•
Filing: 1934-06-09
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Granted: 1934-12-05
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Expires: 1954-06-09
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Abstract

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Inventors

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-31 03:50
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/58; H01J29/62; H01J29/622; H01J29/624

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